51458680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{211}}^1$

素因数の和:309

約数の個数: 128

約数和(自身を含む): 145313280

約数和(自身を除く): 93854600

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 67, 70, 91, 104, 130, 134, 140, 182, 211, 260, 268, 280, 335, 364, 422, 455, 469, 520, 536, 670, 728, 844, 871, 910, 938, 1055, 1340, 1477, 1688, 1742, 1820, 1876, 2110, 2345, 2680, 2743, 2954, 3484, 3640, 3752, 4220, 4355, 4690, 5486, 5908, 6097, 6968, 7385, 8440, 8710, 9380, 10972, 11816, 12194, 13715, 14137, 14770, 17420, 18760, 19201, 21944, 24388, 27430, 28274, 29540, 30485, 34840, 38402, 48776, 54860, 56548, 59080, 60970, 70685, 76804, 96005, 98959, 109720, 113096, 121940, 141370, 153608, 183781, 192010, 197918, 243880, 282740, 367562, 384020, 395836, 494795, 565480, 735124, 768040, 791672, 918905, 989590, 1286467, 1470248, 1837810, 1979180, 2572934, 3675620, 3958360, 5145868, 6432335, 7351240, 10291736, 12864670, 25729340, 51458680]

約数ペア:

[(1, 51458680), (2, 25729340), (4, 12864670), (5, 10291736), (7, 7351240), (8, 6432335), (10, 5145868), (13, 3958360), (14, 3675620), (20, 2572934), (26, 1979180), (28, 1837810), (35, 1470248), (40, 1286467), (52, 989590), (56, 918905), (65, 791672), (67, 768040), (70, 735124), (91, 565480), (104, 494795), (130, 395836), (134, 384020), (140, 367562), (182, 282740), (211, 243880), (260, 197918), (268, 192010), (280, 183781), (335, 153608), (364, 141370), (422, 121940), (455, 113096), (469, 109720), (520, 98959), (536, 96005), (670, 76804), (728, 70685), (844, 60970), (871, 59080), (910, 56548), (938, 54860), (1055, 48776), (1340, 38402), (1477, 34840), (1688, 30485), (1742, 29540), (1820, 28274), (1876, 27430), (2110, 24388), (2345, 21944), (2680, 19201), (2743, 18760), (2954, 17420), (3484, 14770), (3640, 14137), (3752, 13715), (4220, 12194), (4355, 11816), (4690, 10972), (5486, 9380), (5908, 8710), (6097, 8440), (6968, 7385)]